diff --git a/helper/direct.go b/helper/direct.go
index 24f9e75..91e4045 100644
--- a/helper/direct.go
+++ b/helper/direct.go
@@ -62,11 +62,11 @@ func (h *direct) Wait() error {
 	if h.Cmd.Process == nil {
 		return errors.New("exec: not started")
 	}
+	defer h.p.mustClosePipes()
 	if h.Cmd.ProcessState != nil {
 		return errors.New("exec: Wait was already called")
 	}
 
-	defer h.p.mustClosePipes()
 	return h.Cmd.Wait()
 }
 
diff --git a/helper/direct_test.go b/helper/direct_test.go
index 12a7b52..fc583b6 100644
--- a/helper/direct_test.go
+++ b/helper/direct_test.go
@@ -4,7 +4,6 @@ import (
 	"errors"
 	"io"
 	"os"
-	"strconv"
 	"strings"
 	"testing"
 	"time"
@@ -12,28 +11,6 @@ import (
 	"git.ophivana.moe/cat/fortify/helper"
 )
 
-var (
-	want = []string{
-		"unix:path=/run/dbus/system_bus_socket",
-		"/tmp/fortify.1971/12622d846cc3fe7b4c10359d01f0eb47/system_bus_socket",
-		"--filter",
-		"--talk=org.bluez",
-		"--talk=org.freedesktop.Avahi",
-		"--talk=org.freedesktop.UPower",
-	}
-
-	wantPayload = strings.Join(want, "\x00") + "\x00"
-	argsWt      = helper.MustNewCheckedArgs(want)
-)
-
-func argF(argsFD int, _ int) []string {
-	return []string{"--args", strconv.Itoa(argsFD)}
-}
-
-func argFStatus(argsFD int, statFD int) []string {
-	return []string{"--args", strconv.Itoa(argsFD), "--fd", strconv.Itoa(statFD)}
-}
-
 func TestHelper_StartNotify_Close_Wait(t *testing.T) {
 	helper.InternalReplaceExecCommand(t)
 
diff --git a/helper/helper_test.go b/helper/helper_test.go
new file mode 100644
index 0000000..e97ed02
--- /dev/null
+++ b/helper/helper_test.go
@@ -0,0 +1,30 @@
+package helper_test
+
+import (
+	"strconv"
+	"strings"
+
+	"git.ophivana.moe/cat/fortify/helper"
+)
+
+var (
+	want = []string{
+		"unix:path=/run/dbus/system_bus_socket",
+		"/tmp/fortify.1971/12622d846cc3fe7b4c10359d01f0eb47/system_bus_socket",
+		"--filter",
+		"--talk=org.bluez",
+		"--talk=org.freedesktop.Avahi",
+		"--talk=org.freedesktop.UPower",
+	}
+
+	wantPayload = strings.Join(want, "\x00") + "\x00"
+	argsWt      = helper.MustNewCheckedArgs(want)
+)
+
+func argF(argsFD int, _ int) []string {
+	return []string{"--args", strconv.Itoa(argsFD)}
+}
+
+func argFStatus(argsFD int, statFD int) []string {
+	return []string{"--args", strconv.Itoa(argsFD), "--fd", strconv.Itoa(statFD)}
+}